My Time with the 225 xt
Alright, so I got around to messing with that 225 xt unit. People talk about these things, you know? So, I thought, let’s give it a whirl. Got one pretty cheap, actually. Looked okay from the outside, maybe a bit dusty.

First thing I did was plug it in. Hit the power switch. Nothing. Zip. Nada. Not even a flicker. Okay, figured this might happen with older gear. So, I popped the cover off. Wow. Inside was like a time capsule, but mostly filled with dust bunnies and what looked like fossilized spiders. Spent a good while just blowing it out with compressed air and carefully wiping things down.
Checked the power cord, seemed fine. Looked for an obvious fuse, found one, pulled it out. Looked okay, but I tested it with my multimeter just to be sure. Continuity was good. Put it back in. Still nothing. Okay, deeper dive needed.
I started looking around the power supply board. Some capacitors looked a bit puffy. Not dramatically, but enough to make me suspicious. I had some similar spec ones lying around from another project that went sideways, so I decided to swap them out. Fired up the soldering iron, desoldered the old ones, cleaned the pads, and put the new ones in. Careful with the polarity, of course. Plugged it back in. Still dead. Great.
Now I was getting a bit annoyed. Started tracing voltages from the input onwards. Took a while, poking around with the multimeter probes. Found power going into the first stage, but it seemed to disappear somewhere after that. Following the traces on the board was a pain, honestly. It’s an old board, documentation is non-existent online, at least not for free.
- Checked input voltage: OK
- Checked fuse: OK
- Cleaned everything: Done
- Replaced suspect caps: Done
- Traced power on board: Found a break
Finally found it. A tiny hairline crack in one of the thicker traces, almost invisible. Must have happened during shipping, or maybe just age. Soldered a small jumper wire across the break. Didn’t look pretty, but function over form, right?

You know, this whole process felt strangely familiar. It reminded me of this gig I had years ago, working for this small outfit that thought they could build custom hardware controllers. They had this one project, the ‘SyncMaster 5000’ or something equally ridiculous. Sounded amazing in the meetings. In reality, it was just a bunch of off-the-shelf parts crammed into a badly designed box that constantly overheated. We spent weeks, not designing cool features, but just trying to stop the damn thing from crashing every five minutes. Resoldering joints, adding heat sinks, rewriting flaky firmware drivers. The boss kept promising clients features we hadn’t even started building. I remember thinking, ‘Is this engineering or just advanced Jenga with electronics?’ Left that place after about a year, couldn’t take the chaos.
Anyway, back to the 225 xt. With the jumper wire in place, I plugged it in one more time, held my breath, and hit the power switch. Success! Lights came on. Heard a faint hum. Hooked it up to my test amp, fiddled with the knobs. It made sound! A bit scratchy at first, probably needed the pots cleaned too, but it worked. Spent the rest of the evening cleaning the potentiometers and sliders with contact cleaner. Now it actually sounds pretty decent, got that gritty character they talk about.
So yeah, the 225 xt. It works now. But it wasn’t exactly a walk in the park. Had to wrestle with it quite a bit. It’s got its charm, I guess, but definitely not something you just plug in and expect miracles from. It demands some effort, some patience. Maybe that’s the point.